Am Dienstag, 3. Dezember 2002 21:02 schrieb Ian Romanick:
> On Tue, Dec 03, 2002 at 11:29:34AM -0800, Linus Torvalds wrote:
> > On Tue, 3 Dec 2002, magenta wrote:
> > > User preferences are an entirely different matter. I totally agree
> > > that the user should be able to override default behaviors, but
> > > environment variables are such a crappy way of doing this.
> >
> > Why? Environment variables are in many ways more powerful than config
> > files, and can be equally easily edited (think of your ".bashrc" as the
> > config file for environment variables).
>
> I would tend to disagree in this case. With most things, there is a
> single, well defined set of env vars that control the thing. However,
> we're going to end up with a set that is different from driver to driver
> and from driver version to driver version.
>
> It would be very easy to provide a way for a tool to query a driver to find
> out what its set of knobs and buttons is. This way the tuning tool could
> adapt to each different driver automagically.
>
> At least one company (PowerVR) ships a driver that uses a config file with
> per-application settings. I also know of at least one IHV that has
> complained that the lack of such a mechanism is one of DRI / XFree86's
> weaknesses. It is likely that other IHVs will begin to support such config
> files in the future. At that level, I think it makes sense for the open
> source community to *lead* the way instead of following along after
> everyone else has been there, done that.
>
> The only env var that I can see having a long-term purpose is one to set
> the name of the config file to use. :) I think that would provide the same
> functionality to automated things that env vars currently provide.
We had '/etc/mesa.conf' for ages but it seems that nobody use it.
Regards,
Dieter
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